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(No Model.)

G. H. FOWLER. HARVESTER KNIFE-GRINDER.

No. 534,470. I Patented Feb. 19, 1895.

INVENT OR WITN ESSES:

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I PATENT OFF E.

GEORGE H. FOWLER, OF TAUGHANNOOK FALLS, NEW YORK, ASSIGNOR TO FLORA FOWLER, OF SAME PLACE.

I- IAQRVESTER-K NVIFE. GRINDER.

sPEcI'FIcATIoiv forming part of Letters a ent No. 534,470, dated February 19, 1895.

' Application filed May 14,1894. Serial No. 511,083. (No model.)

To all whom it may concern.-

Be it known that I, GEORGE H. FOWLER, of Taughannock Falls, in the county of Tompkins, in the State of New York, have invented new and useful Improvements in Harvester-.

Knife Grinders, of which the following, taken in connection with the accompanying drawwhich is adjustable to vary the pitch or inclination of the wheel by means of a ball and socket joint which supports the wheel frame, means being provided whereby said grinding wheel is very rapidly rotated; said wheel being adjustable to fit the bevel-faces of the knives; and in which the knife-bar frame is pivoted upon the guide rod which it traverses.

My invention consists in the several novel features of construction and operation hereinafter described and which are specifically set forth in the claim hereunto annexed. It

is constructed as follows, reference being had to the accompanying drawings, in which Figure 1, is a front elevation .of the apparatus as in use. Fig. 2, is a top plan thereof the dotted lines indicating the varying lateral adjustment of the grinder to fit the different bevels of the knife. Fig. 3, is an end elevation of the same, the dotted lines indicating the forward and back adjustment of the grinder, and further showing the knifeframe tilted over back. Fig. 4, is a trans verse verticalsection of the knife frame. Fig. 5, shows a side elevation and a top plan of one member of the hinge which carries the knife-frame. Fig. 6, is a front elevation and a side elevation of the other member of said hinge. Fig. 7, is a front elevation and side elevation of the grip-bar. of the rod which constitutes the 'hinge-pintle and also the rail upon which the knife-frame traverses. Fig. 9, is a side elevation of the frame which carries the grinder, the wheel and driving gearing being shown in dotted lines. Fig. 10, is a vertical section of the same. Fig. 11, is a section of the same on Fig. 8, is a plan ably secured by means of bolts through the A slot 3- in each; and 4, -4.', are the other hinge sections, while 5 is the pintle rod which connects said sections and completesthe hinges which are located any desired distance apart.

The sections 4 are each provided with a longitudinal rib '6', and these sections are adapted to traverse said rod. A bar 7 is secured on one side of these sections by suitable bolts, and 8 are clips upon the front of these sections, held straight by said rib, and constituting one of the jaws to hold the knife bar -9 upon which the knives, or cutters -10, are secured, the whole creating the cutter-bar holder mounted upon said rod as a track.

--B is a frame, comprising a body, a horizontal tubular bearing 11', at the top, an arbor 12.' at the lower end, and a ball --13 integral with each other, said ball fitting into a sectional socket -l l-- and 15- is a .bolt passed through said socket sections and said ball, and one of said sections is provided with a shank 16- which, as a pivot, fits into a hole in the base *A. In the bearing l1- a shaft is journaled having on one end a pinion -l7 and upon the other the grinding-cutter '-18- as an emery wheel, and -19- is a drive gear journaled upon the 'arbor 12- and provided with a handle .20 mounted in one of the spokes It will be seen that the grinding frame can be swung laterally as shown in Fig. 2, by the full and dotted lines to grind the bevels of the knives; that it can be swung out of avertical in order that the grinder may sharpen the knives down to the heel of each cutting edge; that the cutter-bar holder can be swung over toward and against the grinder to facilitate the grinding; and that the combined -swinging of the cutter-bar holder, and the mounting of the grinding frame and wheel upon a universal joint produces a machine adapted to grind the knives in any manner desired.

WVhat- I claim as my invention, and desire to secure by Letters Patent, is

In a harvester grinder, a base or support upon which the frame is pivoted; the frame provided with a tubular bearing at its upper end, the arbor for the driving wheel at its lower end, and the perforated bearing; the driving wheel mounted on the arbor; and the shaft, provided with a pinion at one end, and the emery wheel at the other; combined with the sectional socket, which is applied to opposite sides of the perforated part of the frame, and provided with a pivotal bolt which In presence of- M. M. BORST, HOWARD P. DENISON. 

